A tempora mereology for distinguishing between integral objects and portions of stuff

  • Authors:
  • Thomas Bittner;Maureen Donnelly

  • Affiliations:
  • Department of Philosophy, State University of New York at Buffalo and Department of Geography and New York State Center of Excellence in Bioinformatics and Life Sciences and National Center of Geo ...;Department of Philosophy, State University of New York at Buffalo and New York State Center of Excellence in Bioinformatics and Life Sciences

  • Venue:
  • AAAI'07 Proceedings of the 22nd national conference on Artificial intelligence - Volume 1
  • Year:
  • 2007

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Abstract

We develop a formal theory of mereology that includes relations that change over time. We show how this theory formalizes reasoning over domains of material objects, which include not only integral objects (my computer, your liver) but also portions of stuff (the water in your glass, the blood in a vial). In particular, we use different mereological summation relations to distinguish between the ways in which i) integral objects, ii) portions of unstructured, homogenous stuffs (e.g. the water in your glass), and iii) mixtures (the blood in a vial) are linked to their parts over time.